A member of the Democratic Party, Lewis was first elected to Congress in 1986 and served 17 terms in the U.S. House of Representatives. The district he represented included most of Atlanta. Due to his length of service, he became the dean of the Georgia congressional delegation. While in the House, Lewis was one of the leaders of the Democratic Party, serving from 1991 as a Chief Deputy Whip and from 2003 as a Senior Chief Deputy Whip. John Lewis received many honorary degrees and awards, including the Presidential Medal of Freedom in 2011.